Best Guppy Tank Mates
The best guppy tank mates are peaceful, appropriately sized, comfortable in similar water, and unlikely to nip flowing fins. Compatibility also depends on tank size and group requirements.
Strong community candidates
Corydoras catfish
Peaceful bottom dwellers that need their own group, soft substrate, and enough floor space. Choose a species suited to the tank's temperature.
Platies
Colorful livebearers with similar water preferences. They also reproduce readily, so stocking can increase quickly.
Small peaceful rasboras
Some species can work in a planted community when temperature and water chemistry overlap. They need a proper school.
Nerite snails
Useful algae grazers that generally ignore fish. Protect them from poor water and provide enough natural food.
Compatibility test
No persistent chasing or fin nipping
Overlapping temperature and mineral needs
Enough room for every species' group size
All fish can reach suitable food
Introduce tank mates carefully
Quarantine when possible, rearrange décor if territorial behavior is likely, and watch the tank during feeding and after lights come on. A combination that works in a large planted tank may fail in a crowded small aquarium.